CN205102188U - Flat microwave oven - Google Patents

Flat microwave oven Download PDF

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Publication number
CN205102188U
CN205102188U CN201520748974.8U CN201520748974U CN205102188U CN 205102188 U CN205102188 U CN 205102188U CN 201520748974 U CN201520748974 U CN 201520748974U CN 205102188 U CN205102188 U CN 205102188U
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China
Prior art keywords
stirring piece
rotating shaft
flat
microwave oven
furnace chamber
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CN201520748974.8U
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Chinese (zh)
Inventor
夏然
孙宁
唐相伟
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Priority to CN201520748974.8U priority Critical patent/CN205102188U/en
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Abstract

The utility model discloses a flat microwave oven, this flat microwave oven include furnace body, furnace chamber, microwave production device, an agitating unit, at least one the 2nd agitating unit, controller and drive arrangement, and wherein, an agitating unit includes first pivot and first stirring piece, and first stirring penton is crossed first pivot and is set up on the bottom plate of furnace chamber, and the microwave that the microwave produced the device production gets into through an agitating unit in the furnace chamber, the 2nd agitating unit includes second pivot and second stirring piece, and second stirring piece is fixed in the second pivot, and the both ends of second pivot set up respectively on the inner wall of two different faces of furnace chamber, the controller is connected with drive arrangement, and drive arrangement is connected with first pivot and second pivot respectively, and controller control drive arrangement first pivot of drive and second pivot are rotated in order to drive first stirring piece and second stirring piece. The utility model discloses a flat microwave oven, the microwave field distributes more evenly, has improved the heating homogeneity.

Description

Flat-plate microwave oven
Technical field
The utility model belongs to electrical equipment manufacturing technology field, particularly relates to a kind of Flat-plate microwave oven.
Background technology
At present, Flat-plate microwave oven mainly uses antenna or stirring piece to promote the uniformity of heating using microwave, changes the microwave distribution in Flat-plate microwave oven thus realize homogeneous heating by rotating antenna or stirring piece.
In the related, the antenna used or stirring piece mostly are two most, and distribution distance is comparatively far away, is unfavorable for disturbance microwave field, in addition, the dischargeable capacity of cavity limits stirring piece volume, and except stirring piece, cavity inner wall is all fixing not mobilizable, too small stirring piece is not strong to microwave disturbance effect, besides, under closed environment, the directive property of antenna is influenced, and heating uniformity has to be hoisted equally.
Put it briefly, Flat-plate microwave oven mostly is the design of single stirring piece, and stirring piece volume is little, is unfavorable for that effective disturbance microwave distributes; Multiple stirring piece design, stirring piece is placed in same rotating shaft, because activity space and size limit by same condition by major part, be unfavorable for the distribution of effective disturbance microwave, or stirring piece one is presenting one, mouth on Flat-plate microwave oven backboard, distant.According to microwave office's design principle, the stirring piece of effective disturbance microwave should be between microwave source and the line of object receiving microwave, therefore stirring piece efficiency on backboard is very low; Adopt the Flat-plate microwave oven of antenna, antenna self with the ability of emitting electromagnetic wave and stirring, but still only uses an antenna, or the antenna that two identical, limited in one's ability to the disturbance of microwave distribution.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, of the present utility model needs proposes a kind of Flat-plate microwave oven, and the microwave field distribution of this Flat-plate microwave oven is more even, improves heating uniformity.
In order to solve the problem, the utility model proposes a kind of Flat-plate microwave oven, this Flat-plate microwave oven comprises: body of heater, furnace chamber and microwave generator; First agitating device, described first agitating device comprises the first rotating shaft and the first stirring piece, described first stirring piece is arranged on the base plate of described furnace chamber by described first rotating shaft, and the microwave that described microwave generator produces enters in described furnace chamber by described first agitating device; At least one second agitating device, described second agitating device comprises the second rotating shaft and the second stirring piece, and described second stirring piece is fixed in described second rotating shaft, and the two ends of described second rotating shaft are arranged on the inwall of two of described furnace chamber not coplanars respectively; Controller and drive unit, described controller is connected with described drive unit, described drive unit is connected with described first rotating shaft and described second rotating shaft respectively, and described controller controls described drive unit and drives described first rotating shaft and described second rotating shaft to rotate to drive described first stirring piece and described second stirring piece.
According to Flat-plate microwave oven of the present utility model, by arranging the second agitating device in furnace chamber, and the two ends of the second rotating shaft are arranged on the inwall of furnace chamber, second stirring piece is fixed in the second rotating shaft, and the first stirring piece and the second stirring piece can combine with different axis, thus improve the efficiency to microwave field disturbance in furnace chamber, and then promote the uniformity of heating using microwave, highly versatile, original volume and configuration design unaffected, be beneficial to production.
Wherein, described second stirring piece is metal stirring piece.
Particularly, described second stirring piece is stirring piece along the strip of rotor shaft direction or spiral helicine stirring piece.
Further, described second rotating shaft is installed on the center of the tangent plane of described second stirring piece.
Further, the stirring piece of described strip has multiple bending, can strengthen the disturbance to microwave.
Further, the two ends of the stirring piece of described strip and described bending part with round edge, with avoid and furnace chamber cavity between strike sparks.
Wherein, described drive unit comprises: the first motor and transmission device, and described first motor is connected with described first rotating shaft, and is connected with described second rotating shaft by described transmission device.
Wherein, described drive unit comprises: the first motor, and described first motor is connected with described first rotating shaft, rotates to drive described first stirring piece for driving described first rotating shaft; Second motor, described second motor is connected with described second rotating shaft, rotates to drive described second stirring piece for driving described second rotating shaft.
Wherein, described second stirring piece is multiple, and turning to of multiple second stirring piece is identical with rotating speed or different.
Wherein, described first stirring piece and described second stirring piece are placed and are rotated, to promote the randomness of microwave field distribution on axially different.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the Flat-plate microwave oven according to an embodiment of the present utility model;
Fig. 2 is the top view of the Flat-plate microwave oven according to a specific embodiment of the present utility model;
Fig. 3 is the top view of the Flat-plate microwave oven according to another specific embodiment of the present utility model;
Fig. 4 is the heating detection of the Flat-plate microwave oven adopting existing agitating device and the schematic diagram of heterogeneity phantom; And
Fig. 5 is the schematic diagram of heating detection according to the Flat-plate microwave oven of a specific embodiment of the present utility model and heterogeneity phantom.
Reference numeral:
Flat-plate microwave oven 100,
Body of heater 10, furnace chamber 20, microwave generator (not indicating in figure), the first agitating device 30, second agitating device 40, other electric elements 50, first rotating shaft 31 and first stirring piece 32, second rotating shaft 41 and second stirring pieces 42.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The Flat-plate microwave oven proposed according to the utility model embodiment is described with reference to the accompanying drawings.
It should be noted that, the Flat-plate microwave oven of the utility model embodiment, promote heating using microwave uniformity by promoting the disturbance efficiency of agitating device to electromagnetic field field, the basis of the agitating device of existing Flat-plate microwave oven is improved.
Fig. 1 is the schematic diagram removing the Flat-plate microwave oven of fire door and ceramic wafer according to an embodiment of the present utility model, as shown in Figure 1, this Flat-plate microwave oven 100 comprises other electric elements 50 of body of heater 10, furnace chamber 20, microwave generator (not indicating in figure), the first agitating device 30, second agitating device 40, controller and drive unit (not indicating in figure) and existing Flat-plate microwave oven.
Wherein, first agitating device 30 can be understood as original agitating device or antenna assembly in current Flat-plate microwave oven, first agitating device 30 comprises the first rotating shaft 31 and the first stirring piece 32, first stirring piece 32 is arranged on the base plate 21 of furnace chamber 20 by the first rotating shaft 31, and the microwave that microwave generator produces is entered in furnace chamber 20 by the first agitating device 30.Be understandable that, the first stirring piece 32 is equivalent to original stirring piece or antenna in classic flat-plate micro-wave oven.
As shown in Figure 2 or Figure 3, be the top view of the employing stirring piece of a specific embodiment of the present utility model or the Flat-plate microwave oven of antenna.Second agitating device 40 is at least one, and the second agitating device 40 comprises the second rotating shaft 41 and the second stirring piece 42, second stirring piece 42 is fixed in the second rotating shaft 41, and the two ends of the second rotating shaft 41 are arranged on the inwall of not coplanar of furnace chamber 20 respectively.As shown in Figure 1, second stirring piece 42 is two, wherein, second stirring piece 42 is fixed in second rotating shaft 41, one end of second rotating shaft 41 is fixed on base plate 21, and the other end of second rotating shaft 41 is fixed on the inwall that opposes with base plate 21, and another second stirring piece 42 is fixed in another second rotating shaft 41, another second rotating shaft 41 and second rotating shaft 41 be arranged in parallel, and second rotating shaft 41 and another second rotating shaft 41 predeterminable range apart.Two the second stirring pieces lay respectively at the side of the first stirring piece, and then promote microwave stirring efficiency.
Controller is connected with drive unit, drive unit is connected with the first rotating shaft and the second rotating shaft 41 respectively, controller accessory drive drives the first rotating shaft and the second rotating shaft 41 to rotate to drive the first stirring piece and the second stirring piece 42, by adding the second stirring piece 42, namely on former Flat-plate microwave oven 100 basis, increase by the second stirring piece 42 and for fixing and drive the rotating shaft of auxiliary stirring piece, volume under ceramic wafer is used effectively, the efficiency of microwave field disturbance in Flat-plate microwave oven 100 pairs of furnace chambers 20 is improved in the mode combining stirring piece, and then promote the uniformity of heating using microwave.
In actual use, by improving the bottom die mould of Flat-plate microwave oven, bottom die mould being expanded the available space under ceramic wafer is maximized.In not co-content, use antenna or use between the micro-wave oven of stirring piece and have good versatility, less to the change of Flat-plate microwave oven 100, original parts, without the need for large change, are conducive to producing; While promoting heating uniformity, the outward appearance, volume, use etc. of Flat-plate microwave oven 100 are not impacted.
Particularly, all stirring pieces are placed between heating object and microwave source, can reach better electromagnetic disturbance effect.When reality uses, can the second stirring piece 42 and original first stirring piece or antenna be together placed on below the ceramic wafer of Flat-plate microwave oven 100, be positioned at the position that furnace chamber is hidden, do not affect intrinsic dischargeable capacity, require simple to the cavity geometry of furnace chamber 20, be of value to lifting component universality, can not impact former use volume and outward appearance.
Wherein, the second stirring piece 42 is metal stirring piece, and namely the second stirring piece 42 can be become by metal such as aluminium, the copper that conduction is good.For the shape of the second stirring piece 42, in an embodiment of the present utility model, as shown in Figure 1, the second stirring piece 42 can be stirring piece along the strip of rotor shaft direction or spiral helicine stirring piece.Driven by the second rotating shaft 41, the second stirring piece 42 rotates around the second rotating shaft 41, and the second rotating shaft 41 is installed on the center of the tangent plane of the second stirring piece 42.
Further, the stirring piece of strip has multiple bending, and as shown in Figure 1, the second stirring piece 42 stretches most possibly in furnace chamber 20 space, and has multiple bending, to strengthen the disturbance to microwave.Be understandable that, the size of the second stirring piece 42 makes it when rotating and the ceramic wafer of furnace chamber 20 and Flat-plate microwave oven 100 keeps certain distance, to ensure its smooth rotation in limited space, does not interfere with other part.Further, the two ends of the stirring piece of strip and bending part with round edge, to avoid and to strike sparks between furnace chamber 20.
For the driving of stirring piece, in an embodiment of the present utility model, drive unit comprises the first motor and transmission device, first motor is connected with the first rotating shaft, and be connected with the second rotating shaft by transmission device, namely by the first motor direct-drive first stirring piece, and then by transmission device, the power of motor can be reached the second rotating shaft to drive the second stirring piece 42.In another embodiment of the present utility model, drive unit comprises the first motor and the second motor, wherein, first motor is connected with the first rotating shaft, rotate to drive the first stirring piece for driving the first rotating shaft, second motor is connected with the second rotating shaft 42, rotates to drive the second stirring piece 42 for driving the second rotating shaft 41.Put it briefly, the second stirring piece 42 can be driven by the form of transmission by driving the motor of original stirring piece or antenna, also can be driven by independent motor.
Particularly, as shown in figures 2 and 3, when Flat-plate microwave oven 100 heats, first stirring piece 32 (antenna or stirring piece) can rotate according to original speed and direction, and the second stirring piece 42 can in the axially rotation different from the first stirring piece 32, first stirring piece 32 is different with the shape of the second stirring piece 42, and rotates in a different direction, can promote the randomness of microwave field distribution.
Second stirring piece 42 can be multiple, and turning to of multiple second stirring piece 42 is identical with rotating speed or different.It is two for the second stirring piece 42, as shown in figures 2 and 3, wherein, the rotating shaft of two the second stirring pieces 42 is vertical with the first rotating shaft 31, and the first stirring piece 32 and the second stirring piece 42 are placed and rotated on axially different, and second stirring piece 42 is to turn clockwise, and another second stirring piece 42 rotates in a counter-clockwise direction, the randomness of microwave field distribution can be promoted, in actual applications, can set according to the lifting effect of concrete micro-wave oven model heating properties.
Based on the explanation of above-described embodiment, the heterogeneity phantom of the heterogeneity phantom and dull and stereotyped electromagnetic oven of the present utility model that do not increase the Flat-plate microwave oven of the second agitating device 40 can be compared, Fig. 4 is the ceramic wafer surface electric field distribution simulation result of existing Flat-plate microwave oven, Fig. 5 is the ceramic wafer surface electric field distribution simulation result of the Flat-plate microwave oven of an embodiment of the present utility model, wherein, dashed region P is the ceramic wafer surface field data acquisition region of micro-wave oven.By comparing in Fig. 4 and Fig. 5, can see that, after the change of above-mentioned increase by second agitating device 40, the focus of the electric field of Flat-plate microwave oven 100 is obviously broken up, and distributing homogeneity gets a promotion.
In the above-described embodiments, the first stirring piece 32 and the second stirring piece 42 are placed respectively by different rotating shafts.In addition, the first stirring piece 32 and the second stirring piece 42 also can coaxial rotatings, and the setting nested against one another that varies in size of the first stirring piece 32 and the second stirring piece 42; Or the first stirring piece 32 and the second stirring piece 42 adopt same driving shaft, to vary in size, nested against one another and eccentric rotary.
It should be noted that, in description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (10)

1. a Flat-plate microwave oven, is characterized in that, comprising:
Body of heater, furnace chamber and microwave generator;
First agitating device, described first agitating device comprises the first rotating shaft and the first stirring piece, described first stirring piece is arranged on the base plate of described furnace chamber by described first rotating shaft, and the microwave that described microwave generator produces enters in described furnace chamber by described first agitating device;
At least one second agitating device, described second agitating device comprises the second rotating shaft and the second stirring piece, and described second stirring piece is fixed in described second rotating shaft, and the two ends of described second rotating shaft are arranged on the inwall of two of described furnace chamber not coplanars respectively;
Controller and drive unit, described controller is connected with described drive unit, described drive unit is connected with described first rotating shaft and described second rotating shaft respectively, and described controller controls described drive unit and drives described first rotating shaft and described second rotating shaft to rotate to drive described first stirring piece and described second stirring piece.
2. Flat-plate microwave oven as claimed in claim 1, it is characterized in that, described second stirring piece is metal stirring piece.
3. Flat-plate microwave oven as claimed in claim 2, is characterized in that, described second stirring piece is stirring piece along the strip of rotor shaft direction or spiral helicine stirring piece.
4. Flat-plate microwave oven as claimed in claim 3, it is characterized in that, described second rotating shaft is installed on the center of the tangent plane of described second stirring piece.
5. Flat-plate microwave oven as claimed in claim 4, it is characterized in that, the stirring piece of described strip has multiple bending.
6. Flat-plate microwave oven as claimed in claim 5, it is characterized in that, the two ends of the stirring piece of described strip and described bending part are with round edge.
7. Flat-plate microwave oven as claimed in claim 1, it is characterized in that, described drive unit comprises:
First motor and transmission device, described first motor is connected with described first rotating shaft, and is connected with described second rotating shaft by described transmission device.
8. Flat-plate microwave oven as claimed in claim 1, it is characterized in that, described drive unit comprises:
First motor, described first motor is connected with described first rotating shaft, rotates to drive described first stirring piece for driving described first rotating shaft; With
Second motor, described second motor is connected with described second rotating shaft, rotates to drive described second stirring piece for driving described second rotating shaft.
9. Flat-plate microwave oven as claimed in claim 1, it is characterized in that, described second stirring piece is multiple, and turning to of multiple second stirring piece is identical with rotating speed or different.
10. Flat-plate microwave oven as claimed in claim 1, it is characterized in that, described first stirring piece and described second stirring piece are placed and are rotated on axially different.
CN201520748974.8U 2015-09-24 2015-09-24 Flat microwave oven Active CN205102188U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106123054A (en) * 2016-07-02 2016-11-16 谭颖峰 A kind of electrical heating stove
CN106455182A (en) * 2016-07-21 2017-02-22 珠海格力电器股份有限公司 Stirring device and microwave oven possessing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106123054A (en) * 2016-07-02 2016-11-16 谭颖峰 A kind of electrical heating stove
CN106455182A (en) * 2016-07-21 2017-02-22 珠海格力电器股份有限公司 Stirring device and microwave oven possessing same

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